An add-on acquisition is a smaller company bought and folded into a larger one, called the platform, and a roll-up is a strategy of buying several similar companies to combine them. The usual aims are scale, shared costs and a bigger business to sell later. Each add-on also creates insurance work: new seller policies, a possible ownership change report to the workers' compensation carrier within 90 days, new lender conditions and a decision about whether to fold the company into your program. This primer is for entrepreneurship through acquisition (ETA) buyers, search fund CEOs and holding company owners weighing a second or third deal.
The short answer
- A platform is the first company you buy. An add-on is a later, usually smaller purchase combined with it. A roll-up is the strategy of doing several of them in one fragmented market.
- Add-ons carry the same diligence, financing and closing steps as a first deal, plus integration: people, customers, systems, licenses and insurance. Do not assume the platform's processes fit the target.
- Financing changes. Check your existing lender's consent and covenants first. A Small Business Administration (SBA) 7(a) loan treats an existing business buying another business in the same industry group as a Business Expansion, with its own debt service minimum, so ask the lender early.
- Insurance does not follow automatically. The widely used Insurance Services Office (ISO) general liability form often does not automatically cover a newly acquired limited liability company (LLC), the automatic window is limited, and workers' compensation experience can combine when one owner holds more than 50% of several businesses.
- Treat insurance as part of the add-on checklist: review the target's policies before you sign, make sure the buying entity is covered from closing, and decide whether to merge programs now or later.
What is an add-on, and what is a roll-up?
The words are used loosely, so here is how this article uses them. A platform is the company you buy first and build around. An add-on is a later purchase, usually smaller, that you combine with the platform or run alongside it. A roll-up is the strategy of buying several similar businesses to combine them. The commonly stated aims are scale, cost savings and a higher valuation for the larger combined company. Treat any success rate you hear for roll-ups as a claim to check. This guide does not quote one.
Add-ons are one path operators consider after a first acquisition, because the platform already has a team, a lender and a process. They are not automatically easier. The target has its own customers, people, systems, licenses and claims history, and the combined company carries more debt service and more moving parts. Read what entrepreneurship through acquisition is for the wider picture.
The 2023 U.S. Merger Guidelines (issued December 2023) say the agencies may examine a whole series of acquisitions. Check the current guidance, and whether it matters at your size, with deal counsel.
How do I know the platform is ready for an add-on?
Before you chase a second deal, check that the first one is stable. This list is a starting point, not a standard, and your board, lender and advisors may add to it.
- The platform's team can run without the CEO's daily attention.
- The platform's books close on time and tie to the bank.
- Your lender and your board or investors have agreed to the strategy and the approval steps for each deal.
- There is a written integration plan with an owner for each theme in the integration table below.
- The target fits the platform's customers, trade and licenses.
- Insurance for the platform is current and has been reviewed since you bought it.
How are add-ons financed?
Add-ons are usually paid for with a mix of the platform's cash flow, new debt, seller financing and investor money. Each source brings conditions. This table lists the ones that matter most to the insurance and the deal timeline. It is a general overview. Terms depend on the lender and the deal.
| Source | What to confirm | Insurance touchpoint |
|---|---|---|
| Platform cash flow | Whether the add-on's earnings and the combined debt service still work after integration costs | Insurance for the add-on is a real operating cost. See budgeting insurance in your acquisition model |
| Existing senior lender or credit facility | Whether your loan documents restrict new acquisitions or new debt, require lender consent, or count the add-on's earnings toward covenants | A new or amended loan may add insurance conditions such as lender loss payee wording and certificates. Ask your lender and deal counsel before you sign a letter of intent |
| SBA 7(a) loan | Ask how your lender classifies the deal. SBA treats an existing business buying another business in the same four-digit North American Industry Classification System (NAICS) industry group as a Business Expansion. Details are below the table | The lender writes insurance conditions into the loan. See SBA lender insurance requirements |
| Seller financing | SBA 7(a) change of ownership loans prohibit seller earnouts and count seller debt toward the buyer's equity only if it is on full standby, and only within a limit, so confirm with the lender. Outside SBA, terms are negotiated | A seller note makes the seller a creditor of the business, who may ask that the note holder be protected on insured collateral. See seller financing and earnouts explained |
| Investor equity | What your investors and board must approve for each deal, and what they expect in reporting | Directors and officers (D&O) and reporting questions. See insurance reporting to investors |
For a 7(a) add-on, three SBA points matter most:
- A Business Expansion has a minimum debt service coverage of 1.15 to 1, against 1.25 to 1 for an Initial Acquisition (a first purchase of a business).
- A quality of earnings (QoE) report is required where the business purchase price is $3 million or more for these two types.
- For 7(a) loans over $50,000, SBA requires hazard insurance on assets pledged as collateral, with lender protection clauses, and the lender monitors it for the life of the loan. There are limited exceptions for smaller loans, so ask the lender what applies.
These SBA rules are from its lending rulebook, Standard Operating Procedure (SOP) 50 10 8.1, effective October 1, 2026. Ask your lender which rulebook your loan falls under, because it depends on when the loan receives its SBA number. Financing is a question for your lender and deal counsel. Morrow does not give financing advice.
What does integration involve besides the legal closing?
Most of the value in an add-on depends on what happens after closing. Use the themes below as a checklist, not a benchmark.
| Theme | Decide before or soon after closing | Where insurance touches it |
|---|---|---|
| People | Which owner-managers and key staff stay, how they are paid, and who communicates what | Employee benefits, workers' compensation payroll and class codes, key person risk. See employees, customers and vendors after you buy |
| Customers and contracts | Which contracts need consent, and which require insurance certificates or additional insured status | Contract insurance requirements. See checking customer contracts against your policies |
| Licenses and permits | Whether the target's licenses, qualifiers and permits transfer or need reissue | Bond and insurance proof for the new holder. See licenses, permits and registrations when buying a business |
| Finance and systems | When the add-on joins your books, payroll provider and reporting calendar | A payroll provider change can disrupt workers' compensation reporting. See changing payroll providers |
| Brand and operations | Whether the add-on keeps its name and location for a period or merges fully | Named insureds, locations, vehicles and equipment schedules must match what actually operates |
A useful rule is to change one thing at a time in the first months, and to keep the add-on's insurance in place and understood while you make the bigger moves. The wider first-months plan is in your first 100 days after buying a business.
What insurance moves does each add-on require?
Every add-on triggers the same short list. Doing it the same way each time keeps the gaps small. The detailed playbook is in consolidating insurance across add-on acquisitions. Here is what the business primer needs you to know.
- Structure matters. In a stock or membership interest purchase the target keeps its own policies, so you can often leave them in place to renewal, but tell the carriers about the ownership change and check each policy for change in control terms (see the claims-made bullet below). In an asset purchase they stay with the seller, and the acquiring entity needs its own coverage in force at closing. See asset purchase vs stock purchase.
- Do not assume your policy covers the new company. Ask your broker to add it by name from closing day. The widely used ISO general liability form can cover a newly acquired company automatically, but only if:
- it is not a partnership, joint venture or LLC,
- the named insured (the business listed on the policy) keeps ownership or a majority interest, and
- no other similar insurance is available to it.
- Know the limits of the automatic cover. Even where it applies, it ends on the 90th day after the acquisition or when the policy period ends, whichever comes first, and it does not cover injury or damage before the acquisition.
- Check auto and umbrella separately. The standard business auto form has no newly acquired organization provision, and umbrella forms differ. Ask your broker to confirm in writing how those policies treat the new company. Forms vary by carrier. See adding a newly acquired company to your policies.
- Watch claims-made policies. Directors and officers (D&O), employment practices and some professional liability policies often narrow coverage after a change in control. Ask about acquired-subsidiary clauses, reporting duties and tail coverage (extra time to report claims) on the target's old policies.
- Report the ownership change for workers' compensation. In states that use the National Council on Compensation Insurance (NCCI), the policy requires the employer to report an ownership change to its insurer within 90 days. Under NCCI rules, businesses with more than 50% common ownership are combined into a single experience modification (mod), so an add-on's claims history can affect the platform's premium, and the platform's can affect the add-on's. The rating organization decides the result, and some states use independent bureaus.
- Update lenders, landlords and customers. New debt, new locations and new contracts each bring requirements for certificates and endorsements.
- Decide on one program or several. Keeping separate policies for a time can be sensible. Merging can improve control and may open options such as larger deductibles or group programs. See one insurance program vs separate policies and insurance for holding companies and roll-ups.
What does an add-on look like in practice?
A hypothetical example. A platform with about 40 employees carries a clean workers' compensation history and one general liability policy. It buys the assets of a 10-employee competitor in the same trade through a new LLC formed for the deal. Here is how the insurance steps could play out.
- Workers' compensation. The seller's experience generally follows the business to the new LLC, and because the platform's owner controls more than 50% of both entities, the two are generally combined into one experience modification (mod). Any open claims stay with the seller's policy, but they shape the history the rating bureau uses.
- General liability. Because this is an asset purchase, the seller's policy stays with the seller, so the new LLC needs its own coverage in force at closing. It may not be an automatic insured under the platform's policy, because the widely used form carves out LLCs and carrier forms vary, so the broker adds it as a named insured.
- Reporting. In an NCCI state, the ownership change goes to the carrier within the 90 day window.
- Loss runs. The team reads the seller's loss runs (the carriers' claim reports) before deciding how the new LLC's coverage should be placed and when to fold it into the platform's renewal, since combined experience can move the mod either way.
Nothing here is a prediction of any premium, and a different structure would change the steps.
What should I check before the next add-on?
Run the same pre-signing list every time. It keeps the integration team and the insurance work from starting late.
- Do the target's financial statements hold up? See reading financial statements before you buy a business and what a quality of earnings report is.
- Does your existing lender need to consent, and which type of SBA deal is it, if SBA debt is involved?
- Which entity is buying, and is that entity listed on your policies?
- What are the target's policies, renewal dates, loss runs and open claims?
- Which licenses, qualifiers and bonds does the target depend on?
- Who must be told (for example the workers' compensation carrier within 90 days in NCCI states), and who owns that task?
Send Morrow the target's policies and loss runs before you sign, and it can flag gaps against your program. Any quote depends on carrier underwriting.
Keep reading
- Consolidating Insurance Across Add-On Acquisitions
- Insurance for Holding Companies and Roll-Ups
- Adding a Newly Acquired Company to Your Existing Policies
- How SBA 7(a) Loans Work When You Buy a Business
- Your First 100 Days After Buying a Business
- All guides for new business owners
Frequently asked questions
What is the difference between a platform and an add-on?
A platform is the first company you buy and build around. An add-on is a later acquisition, usually smaller, that you combine with the platform or run alongside it. A roll-up is the strategy of buying several similar companies in one market.
Does my insurance cover a company I just acquired?
Not necessarily. The widely used ISO general liability form has a limited automatic provision that excludes LLCs and partnerships, ends on the 90th day or at the end of the policy period, and does not cover injury before the acquisition. The standard business auto form has no such provision. Forms vary, so ask your broker to add the company by name from closing.
How does an add-on affect my workers' compensation premium?
Under NCCI rules, businesses with more than 50% common ownership are combined into a single mod, and an acquired business's experience usually follows it. The rating organization decides the result, and some states use independent bureaus. In NCCI states the policy requires the employer to report the ownership change to its insurer within 90 days; confirm the rule and route for your state.
Does SBA financing work differently for an add-on?
It can. SBA sorts change of ownership deals into types, and an existing business buying another in the same four-digit industry group is a Business Expansion with a different debt service minimum than a first acquisition. Ask your lender how it classifies your deal.
Should I merge the add-on's insurance into my program right away?
It depends on the structure. After a stock or membership interest purchase the target's own policies continue, though you should tell the carriers about the ownership change and check each policy for change in control terms, and some buyers keep them to renewal once they understand the claims history. After an asset purchase the seller's policies do not transfer, so the acquiring entity needs coverage from closing day. Either way, make sure nothing lapses.
References
- U.S. Department of Justice, Antitrust Division: 2023 Merger Guidelines
- U.S. Small Business Administration: SOP 50 10 8.1, Lender and Development Company Loan Programs (effective Oct. 1, 2026), Appendix 15
- Texas Department of Insurance: NCCI Item E-1411, Experience Rating Plan Manual (ownership change rules)
- NCCI: ABCs of Experience Rating
- NCCI: Reporting Ownership Change Information
- Insurance Services Office: Commercial General Liability Coverage Form CG 00 01 12 07, Section II paragraph 3 (carrier copy)
- National General (hosting ISO form): CA 00 01 10 13, Business Auto Coverage Form, Section II (Who Is An Insured)
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This article is general information, not legal, tax or financial advice, and not a coverage determination. Coverage depends on the actual policy wording, carrier underwriting, your purchase agreement and your contracts. Ask your attorney and accountant about deal and legal questions.